package zzzzz_just_for_test;

import java.util.*;

public class Test {

    public static void main(String[] args) {
        C c = new C();


        String[] aaa = {"1","2","1","3","1","4","1","2"};
        List<String> bbb = new ArrayList<>(Arrays.asList(aaa));
//        Collection<String> singleton = Collections.singleton("1");
//        Collection<String> singletonList = Collections.singletonList("1");
        bbb.removeAll(new ArrayList(){{add("1");add("2");}});
        System.out.println(bbb);

    }

}
